<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
    
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <title>amCharts examples</title>
        <link rel="stylesheet" href="style.css" type="text/css">
        <script src="../amcharts/amcharts.js" type="text/javascript"></script>
        <script src="../amcharts/radar.js" type="text/javascript"></script>
        
        <script type="text/javascript">
            var chart;

            var chartData = [
                {
                    "direction": "N",
                    "value": 8
                },
                {
                    "direction": "NE",
                    "value": 9
                },
                {
                    "direction": "E",
                    "value": 4.5
                },
                {
                    "direction": "SE",
                    "value": 3.5
                },
                {
                    "direction": "S",
                    "value": 9.2
                },
                {
                    "direction": "SW",
                    "value": 8.4
                },
                {
                    "direction": "W",
                    "value": 11.1
                },
                {
                    "direction": "NW",
                    "value": 10
                }
            ];


            AmCharts.ready(function () {
                // RADAR CHART
                chart = new AmCharts.AmRadarChart();
                chart.dataProvider = chartData;
                chart.categoryField = "direction";
                chart.startDuration = 1;

                // TITLE
                chart.addTitle("Prevailing winds", 15);

                // VALUE AXIS
                var valueAxis = new AmCharts.ValueAxis();
                valueAxis.gridType = "circles";
                valueAxis.fillAlpha = 0.05;
                valueAxis.fillColor = "#000000";
                valueAxis.axisAlpha = 0.2;
                valueAxis.gridAlpha = 0;
                valueAxis.fontWeight = "bold";
                valueAxis.minimum = 0;
                chart.addValueAxis(valueAxis);

                // GRAPH
                var graph = new AmCharts.AmGraph();
                graph.lineColor = "#FFCC00";
                graph.fillAlphas = 0.4;
                graph.bullet = "round";
                graph.valueField = "value";
                graph.balloonText = "[[category]]: [[value]] m/s";
                chart.addGraph(graph);

                // GUIDES
                // blue fill
                var guide = new AmCharts.Guide();
                guide.angle = 225;
                guide.tickLength = 0;
                guide.toAngle = 315;
                guide.value = 0;
                guide.toValue = 14;
                guide.fillColor = "#0066CC";
                guide.fillAlpha = 0.6;
                valueAxis.addGuide(guide);

                // red fill
                guide = new AmCharts.Guide();
                guide.angle = 45;
                guide.tickLength = 0;
                guide.toAngle = 135;
                guide.value = 0;
                guide.toValue = 14;
                guide.fillColor = "#CC3333";
                guide.fillAlpha = 0.6;
                valueAxis.addGuide(guide);

                // WRITE                
                chart.write("chartdiv");
            });
        </script>
    </head>
    
    <body>
        <div id="chartdiv" style="width:600px; height:400px;"></div>
    </body>

</html>